OKay whats 0/0 and 7/0 or 0/7+784392+1/0

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]